| article html file updated | 31 August 2025 03:12 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4556 |
| article html file updated | 20 July 2022 01:17 CEST | Update | - |
| article html file updated | 14 February 2020 02:24 CET | Update | - |
| article html file updated | 31 October 2019 02:05 CET | Update | - |
| article html file updated | 20 October 2019 04:32 CEST | Original file | - |
| article pdf uploaded. | 20 October 2019 04:31 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4556/pdf |
| article xml uploaded. | 20 October 2019 04:31 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4556/xml |
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